/*
 * Copyright (C) 2020 Grakn Labs
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as
 * published by the Free Software Foundation, either version 3 of the
 * License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <https://www.gnu.org/licenses/>.
 *
 */

package grakn.core.kb.concept.api;


public interface Casting {

    /**
     * @return The Role the Thing is playing
     */
    Role getRole();

    /**
     * @return The RelationType the Thing is taking part in
     */
    RelationType getRelationType();

    /**
     * @return The Relation which is linking the Role and the instance
     */
    Relation getRelation();

    /**
     * @return The Thing playing the Role
     */
    Thing getRolePlayer();

    /**
     * Deletes this Casting effectively removing a Thing from playing a Role in a Relation
     */
    void delete();

}